Tag Archives: Homo Sapiens

Book review: How the Mind Changed: A Human History of Our Evolving Brain

Arpan K. Banerjee Solihull, United Kingdom   Cover of How the Mind Changed: A Human History of Our Evolving Brain by Joseph Jebelli. The human brain has long been a source of wonder and a fascinating subject for study. Philosophers, scientists, biologists, psychologists, anthropologists, and medical scholars have spent lifetimes studying the brain and how […]

Entomophagy: History, global food shortage, and climate change

James L. Franklin Chicago, Illinois, United States   Figure 1 – Khoisan – Igniting a Fire On a recent wildlife adventure to the Kalahari Desert in Botswana, our group of adventurers was treated to an afternoon walk with a group of local Khoisan villagers. They were eager to show us how they were able to […]

The mystique of psychiatry: a closer look

Lawrence Climo Lincoln, Massachusetts, United States   Photo by Larry Ayalo on Unsplash As a retired psychiatrist, I have been thinking about the mystique that surrounds our profession. Psychiatrists seem to trigger three provocative associations that set them apart from other physicians. The first, sometimes interpreted as a wish, is that psychiatrists read minds and therefore […]

A note on handedness

JMS Pearce Hull, England, United Kingdom   Handedness (chirality) refers to the preferential use of one hand over the other. It is a matter of degree; it is seldom absolute. Population left and right preference existed in the Neanderthals (lived from 400,000 to about 40,000 years ago) onwards. Only homo sapiens amongst the great apes […]

Mitochondrial DNA: a maternal gift

Marshall Lichtman Rochester, New York, United States   Human haplogroup tree rooted at Mitochondrial Eve. By Wapondaponda. 2009. Via Wikimedia. CC BY-SA 3.0 DNA is arrayed on twenty-three pairs of chromosomes in human cell nuclei. It is coiled tightly around proteins called histones that together with DNA form a chromosome. The largest chromosome carries several […]

All too human: the mountain gorillas of Uganda

James L. Franklin Chicago, Illinois, United States   Fig. 1. Adult female mountain gorilla   The Ugandan mountain gorilla is a member of the Hominidae family, also known as the great Apes. The extant species include: the orangutan, the eastern and western gorilla, the chimpanzee, the bonobo, and ourselves, Homo sapiens. The mountain gorilla is […]